Publications (37)
Lithium abundances in exoplanet-hosts stars
M. Castro, S. Vauclair, O. Richard +1
Exoplanet-host stars (EHS) are known to present surface chemical abundances different from those of stars without any detected planet (NEHS). EHS are, on the average, overmetallic…
Dilution of accreted planetary matter in hot DA white dwarfs according to their mass
M. Deal, S. Vauclair, S. Charpinet +1
A large proportion of observed white dwarfs (WDs) show evidence of debris disks, remnants of the former planetary systems, and/or signatures of heavy elements in their atmospheres,…
Asteroseismology of exoplanets host stars: the special case of Horologii (HD17051)
M. Laymand, S. Vauclair
{This paper presents detailed analysis and modelisation of the star HD17051 (alias Hor), which appears as a specially interesting case among exoplanet host stars. As most of t…
Fingering Convection in Red Giants Revisited
F. C. Wachlin, S. Vauclair, L. G. Althaus
Fingering (thermohaline) convection has been invoked for several years as a possible extra-mixing which could occur in Red Giant stars due to the modification of the chemical compo…
Asteroseismology of alpha Cen A. Evidence of rotational splitting
M. Bazot, F. Bouchy, H. Kjeldsen +3
Asteroseismology provides a unique tool for studying stellar interiors. Recently p modes have been detected on the bright solar-like star alpha Cen A thanks to high-precision radia…
Asteroseismology of the planet-hosting star mu Arae. II. Seismic analysis
M. Bazot, S. Vauclair, F. Bouchy +1
As most exoplanets host stars, HD 160691 (alias mu Ara) presents a metallicity excess in its spectrum compared to stars without detected planets. This excess may be primordial, in…